I first saw the mention of 'millicode' when HP introduced then-new PA-RISC 1.0 ISA (second half of eighties), and now Wikipedia says IBM invented the concept an

I first saw the mention of 'millicode' when HP introduced then-new PA-RISC 1.0 ISA (second half of eighties), and now Wikipedia says IBM invented the concept and the term in 1997.